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TULSA, Okla. — April is the height of our traditional tree pollen season in Oklahoma. Those that suffer from that form of allergies know this is the time for sniffling, sneezing and congestion.

A pair of yellow-bellied slider turtles swim beneath a film of pollen on the water’s surface along a boardwalk on the Crabtree Creek Trail in Raleigh on Monday, March 23, 2026. Pollen from trees ...

Spring means beautiful flowers, fragrant lilacs – and lots of tree pollen coating cars and setting off sneezing, wheezing and headaches. As an allergist and immunologist at the University of Colorado ...

The shoreline of Pine Island Pond in Manchester, N.H. Doctors in New Hampshire say they’re hearing from more patients that their allergies are worse this year, but the data show that pollen counts ...